2015-03-03 13:41:00 +03:00
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from __future__ import unicode_literals
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2015-07-23 10:26:43 +03:00
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import pytest
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2015-03-03 13:41:00 +03:00
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2015-07-23 10:26:43 +03:00
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@pytest.mark.models
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2015-06-07 19:02:24 +03:00
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def test_subtrees(EN):
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2015-03-03 13:41:00 +03:00
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sent = EN('The four wheels on the bus turned quickly')
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wheels = sent[2]
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bus = sent[5]
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assert len(list(wheels.lefts)) == 2
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assert len(list(wheels.rights)) == 1
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assert len(list(wheels.children)) == 3
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assert len(list(bus.lefts)) == 1
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assert len(list(bus.rights)) == 0
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assert len(list(bus.children)) == 1
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assert len(list(wheels.subtree)) == 6
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